13290225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 24290112

約数和(自身を除く): 10999887

約数列:

[1, 3, 5, 13, 15, 25, 39, 43, 65, 75, 129, 195, 215, 317, 325, 559, 645, 951, 975, 1075, 1585, 1677, 2795, 3225, 4121, 4755, 7925, 8385, 12363, 13631, 13975, 20605, 23775, 40893, 41925, 61815, 68155, 103025, 177203, 204465, 309075, 340775, 531609, 886015, 1022325, 2658045, 4430075, 13290225]

約数ペア:

[(1, 13290225), (3, 4430075), (5, 2658045), (13, 1022325), (15, 886015), (25, 531609), (39, 340775), (43, 309075), (65, 204465), (75, 177203), (129, 103025), (195, 68155), (215, 61815), (317, 41925), (325, 40893), (559, 23775), (645, 20605), (951, 13975), (975, 13631), (1075, 12363), (1585, 8385), (1677, 7925), (2795, 4755), (3225, 4121)]